<?xml version="1.0" encoding="UTF-8" standalone="no" ?>
<html xmlns="http://www.w3.org/1999/xhtml">
  <head>
    <title>Enveloped tree</title>
  </head>

  <body>
    <!-- First tree -->
    <svg xmlns="http://www.w3.org/2000/svg" width="200px" height="200px"
      id="adopter">
      <rect x="0" y="0" width="199" height="199"
        style="fill: none; stroke: black"/>
      <circle cx="100" cy="50" r="15" fill="skyblue" stroke="black"
        stroke-width="1"/>
      <!-- Second tree -->
      <svg xmlns="http://www.w3.org/2000/svg" width="200px" height="200px"
        id="adoptee">
        <rect x="0" y="0" width="199" height="199"
          style="fill: none; stroke: black"/>
        <circle cx="100" cy="110" r="15" fill="greenyellow" stroke="black"
          stroke-width="1"/>
      </svg>
    </svg>
  </body>
</html>
